🇨🇳 ZHAO Chen · CHINA

40rank
+45.0Butler · 140 bds
+0.32per board
±4.0swing
+0.38vs par /bd · #41/115
+0.11adjusted /bd
Butler per round: -15.4 24.1 5.8 12.2 3.4 -33 15.9 25.4 -6.2 12.8by round

vs par split: bidding -0.34 · play +0.72

Strength of schedule: opponents averaged -0.21/bd (an easy draw) → opponent-adjusted +0.11/bd

Card play — on target: opening leads 85.0% #11 of 115 · declarer play 78.1% #37 of 115 · defence 91.7% #5 of 115

Card play by contract type — on target
vs NTvs a suit
Opening leads85.0% (20)85.0% (20)
Declarer play70.0% (10)81.8% (22)
Defence90.3% (31)92.7% (41)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 100.0% (9) · ♦ 81.2% (16) · ♣ 87.5% (8)

vs par by strain: NT -0.11 (53) · a suit +0.68 (87)

vs par by level: part-score +0.15 (47) · game +0.51 (77) · slam +0.44 (16)

By role: declaring +0.41/bd (-1.88 vs par · 68) · defending +0.23/bd (+2.51 vs par · 72)

By vulnerability: vulnerable +0.56/bd (-0.30 vs par · 70) · not vulnerable +0.08/bd (+1.06 vs par · 70)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 12Q.WangL.Tijssen – V.KiljanOpen14-15.4-1.10-5.07
Round 13K.JinV.He – Z.YanOpen14+24.1+1.72+1.71
Round 14Q.WangB.Combescure – J.BernardOpen14+5.8+0.41+0.00
Round 15K.JinB.Norton – S.NattOpen14+12.2+0.87+2.36
Round 16K.JinH.Huang – H.GuoOpen14+3.4+0.24-0.29
Round 17K.JinE.Moo – T.ChanClosed14-33.0-2.36-3.71
Round 18Q.WangK.Bossonney – P.CazabonOpen14+15.9+1.14+3.07
Round 19Q.WangN.Correa Laguna – J.Zamora VillamizarClosed14+25.4+1.81+4.50
Round 20K.JinR.Sau – G.PercarioClosed14-6.2-0.44-0.64
Round 21Q.WangC.Pelaelo – O.TshupeloOpen14+12.8+0.91+1.86

Every board — best Butler first↑ top

vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.

ButlerRoundOpponentsBdContractLeadResvs par
+15.8Round 18🇨🇱 CHILE137♥♠K-1+20
+12.0Round 19🇨🇴 COLOMBIA137♦♦4-1+17
+11.8Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND76♥♥6=+13
+9.1Round 16🇹🇼 CHINESE TAIPEI74♥♠9-3+14
+8.2Round 16🇹🇼 CHINESE TAIPEI106♣♥Q=-13
+7.9Round 14🇫🇷 FRANCE66♥♠A=+0
+7.6Round 13🇳🇿 NEW ZEALAND115♥x♣A-1+9
+7.2Round 19🇨🇴 COLOMBIA142♦♥6-1+10
+5.9Round 13🇳🇿 NEW ZEALAND53NT♠6-1+10
+5.6Round 13🇳🇿 NEW ZEALAND93NTx♥9-4+14
+5.3Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83NT♠4=+7
+5.0Round 14🇫🇷 FRANCE83♦x♦A-1+8
+5.0Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND51♥x♦A-1+3
+5.0Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND134♠♥3=-1
+4.9Round 18🇨🇱 CHILE44♥♦A=+9
+4.5Round 21BOTSWANA123NT♥K-2+6
+4.3Round 14🇫🇷 FRANCE53NT♣10-1+6
+3.8Round 12🇳🇱 NETHERLANDS54♠♣Q-1+5
+3.7Round 13🇳🇿 NEW ZEALAND143NT♣Q+1+0
+3.7Round 19🇨🇴 COLOMBIA33NT♠4=+7
+3.7Round 21BOTSWANA113♠♦10+1+6
+3.6Round 19🇨🇴 COLOMBIA76♦♠K=+7
+3.3Round 13🇳🇿 NEW ZEALAND103NT♦Q+3+2
+3.3Round 16🇹🇼 CHINESE TAIPEI114♥♠K-1+5
+3.2Round 16🇹🇼 CHINESE TAIPEI144♠♦7+2+2
+3.2Round 21BOTSWANA41NT♠A-2-9
+3.1Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113♠♥A-1+4
+3.0Round 18🇨🇱 CHILE31NT♣10=+5
+2.9Round 14🇫🇷 FRANCE135♥♥3=+0
+2.9Round 18🇨🇱 CHILE22NT♥A-1+5
+2.9Round 20🇮🇹 ITALY83NT♦J+3+11
+2.7Round 19🇨🇴 COLOMBIA53♦♠A-1+4
+2.6Round 12🇳🇱 NETHERLANDS31NT♥Q-1+2
+2.4Round 21BOTSWANA52♥♣K=-10
+2.3Round 17🇭🇰 CHINA HONG KONG36NT♣4=-11
+2.2Round 13🇳🇿 NEW ZEALAND84♥♠10+1+0
+2.2Round 21BOTSWANA143NT♦K-2+5
+2.1Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♠♦K-1+6
+2.1Round 17🇭🇰 CHINA HONG KONG143♦♥9-4-5
+2.0Round 12🇳🇱 NETHERLANDS116♠♦4+1-11
+2.0Round 13🇳🇿 NEW ZEALAND22♠♦K-2+0
+2.0Round 14🇫🇷 FRANCE72♥♦9=+10
+2.0Round 19🇨🇴 COLOMBIA22♣♥Q+1+6
+2.0Round 19🇨🇴 COLOMBIA83♠♣K=+6
+2.0Round 21BOTSWANA131♠♥4+1+6
+1.9Round 19🇨🇴 COLOMBIA123NT♥9+4+14
+1.8Round 20🇮🇹 ITALY94♠♦A-2+8
+1.7Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND143NT♥6+2+0
+1.7Round 19🇨🇴 COLOMBIA43NT♣J+1+0
+1.7Round 21BOTSWANA23NT♠5+4+2
+1.7Round 21BOTSWANA82NT♣3=+5
+1.5Round 13🇳🇿 NEW ZEALAND43♦♠K=+0
+1.5Round 16🇹🇼 CHINESE TAIPEI22♠♣2+1-8
+1.5Round 20🇮🇹 ITALY12♥♠2=+5
+1.4Round 20🇮🇹 ITALY145♦♠A=+0
+1.4Round 21BOTSWANA74♥♠2+1+0
+1.3Round 12🇳🇱 NETHERLANDS23NT♠8+2+0
+1.1Round 12🇳🇱 NETHERLANDS42♦♥Q-2-10
+1.0Round 12🇳🇱 NETHERLANDS134NT♠7+1-13
+1.0Round 20🇮🇹 ITALY134♠♠2+1+0
+1.0Round 21BOTSWANA64♠♦K=+0
+0.9Round 14🇫🇷 FRANCE14♠♣5=+0
+0.9Round 20🇮🇹 ITALY123NT♣8-3+7
+0.8Round 17🇭🇰 CHINA HONG KONG45♦♣A=-2
+0.6Round 17🇭🇰 CHINA HONG KONG122♠♣A=+5
+0.5Round 14🇫🇷 FRANCE25♣♠6=+0
+0.5Round 18🇨🇱 CHILE53NT♠8+1+0
+0.5Round 21BOTSWANA34♠♣4+1+0
+0.3Round 12🇳🇱 NETHERLANDS63♣♦J=+0
+0.3Round 20🇮🇹 ITALY63NT♥10+2+0
+0.1Round 13🇳🇿 NEW ZEALAND133NT♦5=+2
+0.1Round 17🇭🇰 CHINA HONG KONG14♥♦K=+0
+0.0Round 17🇭🇰 CHINA HONG KONG92NT♥Q=+0
-0.0Round 18🇨🇱 CHILE86♠♦J+1+11
-0.0Round 18🇨🇱 CHILE143NT♦6-1+4
-0.2Round 16🇹🇼 CHINESE TAIPEI62♥♣4-1+2
-0.2Round 18🇨🇱 CHILE104♦x♣8-1-2
-0.3Round 13🇳🇿 NEW ZEALAND33NT♥J=+1
-0.3Round 14🇫🇷 FRANCE45♦♣A=-3
-0.3Round 16🇹🇼 CHINESE TAIPEI84♠♦Q=+0
-0.3Round 20🇮🇹 ITALY24♠♥2+2-13
-0.3Round 20🇮🇹 ITALY43NT♦Q+1+0
-0.4Round 13🇳🇿 NEW ZEALAND11NT♣2=-7
-0.5Round 18🇨🇱 CHILE62♥♣2=+1
-0.5Round 19🇨🇴 COLOMBIA115♥♣6=+11
-0.7Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23♠♣6+1+10
-0.9Round 12🇳🇱 NETHERLANDS144♥♣A+2-11
-0.9Round 19🇨🇴 COLOMBIA95♣♦A=-3
-1.0Round 12🇳🇱 NETHERLANDS74♠♦8-1+0
-1.0Round 13🇳🇿 NEW ZEALAND122♥♠4-1+0
-1.0Round 14🇫🇷 FRANCE122♠♣6-2-11
-1.0Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♠♦J+1+0
-1.0Round 20🇮🇹 ITALY52♠♥A-2-1
-1.1Round 18🇨🇱 CHILE91NT♣6+2-2
-1.2Round 12🇳🇱 NETHERLANDS124♠♥3+1+11
-1.3Round 16🇹🇼 CHINESE TAIPEI92♥♦9-2+11
-1.3Round 18🇨🇱 CHILE124♠♥4-1+5
-1.4Round 16🇹🇼 CHINESE TAIPEI133NT♥A=+0
-1.5Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND43NT♥J+1+1
-1.5Round 21BOTSWANA103NT♠9+1+0
-1.7Round 18🇨🇱 CHILE114♠x♦3-2+3
-1.7Round 19🇨🇴 COLOMBIA101♥x♠2-1-2
-1.9Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♥♠J=+0
-2.0Round 17🇭🇰 CHINA HONG KONG63NT♥A-1+5
-2.0Round 19🇨🇴 COLOMBIA63♥♣J=+0
-2.2Round 16🇹🇼 CHINESE TAIPEI34♠♦A=+1
-2.3Round 21BOTSWANA11NT♣8=+2
-2.4Round 14🇫🇷 FRANCE93NT♦5+2-2
-2.5Round 13🇳🇿 NEW ZEALAND61NT♦10=+1
-2.6Round 16🇹🇼 CHINESE TAIPEI14♠♠2=+0
-2.6Round 18🇨🇱 CHILE12NT♣A-1-4
-2.7Round 14🇫🇷 FRANCE142NT♠K-1+2
-2.7Round 16🇹🇼 CHINESE TAIPEI44♠♥9=+0
-2.8Round 14🇫🇷 FRANCE101♥♠9=-5
-2.8Round 17🇭🇰 CHINA HONG KONG26♥♠7+1-1
-2.8Round 20🇮🇹 ITALY112♠♣10=-6
-2.9Round 16🇹🇼 CHINESE TAIPEI123NT♥3-1-5
-3.0Round 20🇮🇹 ITALY36♣♠Q=-12
-3.1Round 12🇳🇱 NETHERLANDS104♥♠K-1-12
-3.3Round 20🇮🇹 ITALY103NT♣Q=+0
-3.4Round 17🇭🇰 CHINA HONG KONG83♠♦J=-6
-3.6Round 13🇳🇿 NEW ZEALAND73♠♥9-2-8
-3.8Round 18🇨🇱 CHILE73NT♠8+3-12
-3.9Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13NT♦6=+2
-3.9Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♥♠A=+0
-4.0Round 14🇫🇷 FRANCE111NT♦10=-5
-4.5Round 14🇫🇷 FRANCE37NT♠3=+0
-4.6Round 12🇳🇱 NETHERLANDS93NT♠K+1-8
-4.7Round 17🇭🇰 CHINA HONG KONG53NT♥Q-3-13
-5.0Round 17🇭🇰 CHINA HONG KONG105♠x♦3=-5
-5.0Round 17🇭🇰 CHINA HONG KONG131NTx♠3+1-11
-5.3Round 20🇮🇹 ITALY74♥x♦K-1-8
-6.3Round 19🇨🇴 COLOMBIA16♠♣J-1-14
-6.9Round 17🇭🇰 CHINA HONG KONG73NT♥3-2-8
-7.6Round 12🇳🇱 NETHERLANDS13NT♥3-2-17
-7.7Round 21BOTSWANA96♥♦K=+13
-8.3Round 16🇹🇼 CHINESE TAIPEI54♥♣5=-13
-8.9Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND37♥♦7-2-12
-9.1Round 12🇳🇱 NETHERLANDS83NT♠9=-7
-9.1Round 17🇭🇰 CHINA HONG KONG116♣♦A=+0